Will the sum of 56+ (-56) be Positive negative or zero

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.